To leave no trace; to be untraceable or elusive; to be seamless or perfectly executed without revealing the method.
魔术师的表演真是无迹可寻，观众们都惊叹不已。
The magician's performance was truly seamless and untraceable; the audience was amazed.
Next Idiom
To leave no trace; to be untraceable or elusive; to be seamless or perfectly executed without revealing the method.